Mitsubishi Melsec PLC Tag

Help Contents

Introduction

The Mitsubishi Melsec PLC Tag PLC Device Tag Icon provides a logical link to a Mitsubishi Melsec PLC Device.

Configuration Properties

The Mitsubishi Melsec PLC Tag supports the configuration properties of the PLC Device Tag with RTC, plus these properties:

Property Type Version Description
Channel Reference 1.1 The communication channel to the PLC. A reference to any of the following:
PLCType USINT 1.1 The type of PLC. Options include:
  1. FX
  2. A-Series
  3. QnA Series
  4. Q-Series
StationNumber USINT 1.1 The address of the PLC.
PCNumber USINT 1.1 Identifies the controller connected to a CC-Link, Melsecnet/H, or Melsecnet/10 network. For direct connections use the value 255 (FFh).
StringFormat WSTRING 4.6 The format of strings stored in registers in the PLC. For more information see Register String Format.

Tag Commands

The Mitsubishi Melsec PLC Tag supports the tag commands of the >PLC Device Tag with RTC Tag plus these commands:

Tag Command Version Description
DirectWriteWord 2.3 Directly writes one or more words to an address in the PLC.
DirectWriteBit 2.3 Directly writes a single bit to an address in the PLC.

Relationships to Other Tag Types

The Mitsubishi Melsec PLC Tag builds on the features of these tag types:

Further Information

PLC Device Tag

For properties common to all PLC Devices with clock synchronization.

Mitsubishi Melsec Serial Communication Channel

For more information on Mitsubishi Melsec serial communications channels.

Mitsubishi Melsec TCP Communication Channel

For more information on Mitsubishi Melsec TCP communications channels.

Mitsubishi Melsec UDP Communication Channel

For more information on Mitsubishi Melsec UDP communications channels.

Mitsubishi Melsec register blocks

For more information on the Mitsubishi Melsec register block that can be associated with Mitsubishi Melsec PLC Tags.

Alarm Conditions

To learn about abnormal conditions in SCADA applications.

Glossary

For the meaning of terms used in Fernhill SCADA.